user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
  worker_connections  1024;
}
http {
  include       /etc/nginx/mime.types;
  default_type  application/octet-stream;
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';
  access_log  /var/log/nginx/access.log  main;
  sendfile        on;
  keepalive_timeout  65;

  map $http_upgrade $connection_upgrade{
          default upgrade;
          `` close;
  }
  upstream websocket{
      server 127.0.0.1:80; 
      #SERVER endpoint that handle ws:// connections
  }

  server {
    listen       80;
    server_name  _;
    client_max_body_size 21M;
    location / {
      proxy_pass  http://frontend:80;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";
      # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      # proxy_set_header X-Forwarded-Proto $scheme;
      # proxy_set_header X-Forwarded-Host $host;
      # proxy_pass http://frontend:80;
      # proxy_set_header Upgrade $http_upgrade;
      # proxy_set_header Connection $connection_upgrade;
      # proxy_read_timeout 86400;
      # # root   /app/dist;
      # # index  index.html;
      # # try_files $uri $uri/ /index.html;
    }
    location /api {
        rewrite ^/api(.*)$ $1 break;
        proxy_pass  http://backend:8000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
      root   /usr/share/nginx/html;
    }
  }
}